Quick Answer: The Sound Pipe produces up to five standing waves with different resonant tones when twirled at different speeds, and can also demonstrate fluid dynamics, turbulence and differing sound wave frequencies.
Last updated: October 2026
Key Features
Up to five standing waves with different resonant tones
Tone changes with the speed of twirling
Demonstrates fluid dynamics, turbulence and differing sound wave frequencies
Instruction sheet explaining the principles included
Colours may vary
About This Product
Swinging the pipe round at different speeds brings out different resonant tones, with up to five standing waves in all. Plenty of space is needed around the user while it is being swung.
Frequently Asked Questions
Q1. Is space needed to use it? Yes. Plenty of space is needed around the user when the pipe is swung.